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Question

What is the role of a Firewall in network security?

a.

Internal communication control

b.

Preventing unauthorized access from the Internet to internal data

c.

System integration facilitation

d.

Data modeling and schema creation

Posted under Data Warehousing and OLAP

Answer: (b).Preventing unauthorized access from the Internet to internal data Explanation:A Firewall is a computer system placed between the Internet and an internal subnet of an enterprise to prevent unauthorized outsiders from accessing internal data.

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Q. What is the role of a Firewall in network security?
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